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Question 21

A 20m steel wire is stretched to 20.0m by the application of a force of 50N. What force should be applied to stretch the wire to become 20.05m within its elastic limits?

  • A.50 N
  • B.100 N
  • C.250 N
  • D.40,000 N
Objective

Question details

Exam body
NDA
Subject
Physics
Year
2010/2011
Question no.
#21
Type
Objective
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